145 lines
3.0 KiB
C
145 lines
3.0 KiB
C
/**
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* OpenAL cross platform audio library
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* Copyright (C) 1999-2007 by authors.
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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* Or go to http://www.gnu.org/copyleft/lgpl.html
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*/
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#include "config.h"
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#include <stdlib.h>
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#include "alMain.h"
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#include "alThunk.h"
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#define THREAD_STACK_SIZE (1*1024*1024) /* 1MB */
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#ifdef _WIN32
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typedef struct {
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ALuint (*func)(ALvoid*);
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ALvoid *ptr;
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HANDLE thread;
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} ThreadInfo;
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static DWORD CALLBACK StarterFunc(void *ptr)
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{
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ThreadInfo *inf = (ThreadInfo*)ptr;
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ALint ret;
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ret = inf->func(inf->ptr);
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ExitThread((DWORD)ret);
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return (DWORD)ret;
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}
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ALvoid *StartThread(ALuint (*func)(ALvoid*), ALvoid *ptr)
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{
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DWORD dummy;
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ThreadInfo *inf = malloc(sizeof(ThreadInfo));
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if(!inf) return 0;
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inf->func = func;
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inf->ptr = ptr;
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inf->thread = CreateThread(NULL, THREAD_STACK_SIZE, StarterFunc, inf, 0, &dummy);
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if(!inf->thread)
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{
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free(inf);
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return NULL;
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}
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return inf;
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}
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ALuint StopThread(ALvoid *thread)
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{
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ThreadInfo *inf = thread;
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DWORD ret = 0;
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WaitForSingleObject(inf->thread, INFINITE);
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GetExitCodeThread(inf->thread, &ret);
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CloseHandle(inf->thread);
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free(inf);
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return (ALuint)ret;
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}
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#else
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#include <pthread.h>
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typedef struct {
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ALuint (*func)(ALvoid*);
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ALvoid *ptr;
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ALuint ret;
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pthread_t thread;
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} ThreadInfo;
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static void *StarterFunc(void *ptr)
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{
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ThreadInfo *inf = (ThreadInfo*)ptr;
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inf->ret = inf->func(inf->ptr);
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return NULL;
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}
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ALvoid *StartThread(ALuint (*func)(ALvoid*), ALvoid *ptr)
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{
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pthread_attr_t attr;
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ThreadInfo *inf = malloc(sizeof(ThreadInfo));
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if(!inf) return NULL;
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if(pthread_attr_init(&attr) != 0)
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{
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free(inf);
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return NULL;
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}
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if(pthread_attr_setstacksize(&attr, THREAD_STACK_SIZE) != 0)
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{
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pthread_attr_destroy(&attr);
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free(inf);
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return NULL;
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}
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inf->func = func;
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inf->ptr = ptr;
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if(pthread_create(&inf->thread, &attr, StarterFunc, inf) != 0)
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{
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pthread_attr_destroy(&attr);
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free(inf);
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return NULL;
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}
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pthread_attr_destroy(&attr);
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return inf;
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}
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ALuint StopThread(ALvoid *thread)
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{
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ThreadInfo *inf = thread;
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ALuint ret;
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pthread_join(inf->thread, NULL);
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ret = inf->ret;
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free(inf);
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return ret;
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}
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#endif
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